/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.tinkerpop.gremlin.server.util;

import static org.junit.Assert.fail;

public class ExceptionTestUtils {

    static public void assertExceptionChainContainsCause(Throwable e, Class<?> expectedType) {
        while (e != null) {
            if (e.getClass() == expectedType) {
                return;
            }
            e = e.getCause();
        }
        fail("Should have exception of type " + expectedType.getSimpleName() + " as a cause somewhere in the exception chain");
    }
}
